Home / 52,045.80-71,762.40-49,243.20

Finding the Fourth Proportional to 52,045.80, 71,762.40 and 49,243.20

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Solution

The fourth proportional to 52,045.80, 71,762.40 and 49,243.20 is: 67,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.80 : 71,762.40 = 49,243.20 : x
  2. Step 2: Convert to fraction form
    52,045.80/71,762.40 = 49,243.20/x
  3. Step 3: Cross multiply
    52,045.80x = 71,762.40 × 49,243.20
  4. Step 4: Simplify right side
    52,045.80x = 3,533,810,215.68
  5. Step 5: Solve for x
    x = 3,533,810,215.68/52,045.80
  6. Step 6: Final answer
    x = 67,898.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.